Which of the following types of radiation is commonly used in radiographic testing? (Choose one):

Related MCQs

• A radiographic exposure with 3700 GBq (100 Ci) source of Ir-192 using source to film distance of 60 cm results in a radiation intensity of 0.12 Gy/h (11.8 R/h) and a radiographic density of 2.5. The intensity of radiation needed to obtain the same density when the source to film distance is changed to120 cm is:
• The amount of X radiation or gamma radiation is often spoken of as the of the radiation:
• Of the following radiographic sources, which emits the most penetrating radiation?
• Which of the following techniques would probably reduce the amount of back scattered radiation reaching the film during a radiographic exposure?
• Which of the following techniques would probably reduce the amount of scattered radiation reaching the film during a radiographic exposure?
• Which of the following techniques would probably reduce the amount of scattered radiation reaching the film during a radiographic exposure?
• Which of the following isotopes are commonly used for radiographic purposes?
• Most scattered radiation which adversely affects the radiographic image quality originates:
• A radiation producing device which emits radiation of one or a few discreet wavelengths is:
• If the radiation intensity is 5.9 Gy/h (590 R/h) at a distance of 30.5 cm (1 foot) from a source, how far is it to the point where the radiation intensity is 0.02 Gy/h (2R/h)?